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Sea anemones (/ ə ˈ n ɛ m. ə. n i / ə-NEM-ə-nee) are a group of predatory marine invertebrates constituting the order Actiniaria. Because of their colourful appearance, they are named after the Anemone, a terrestrial flowering plant. Sea anemones are classified in the phylum Cnidaria, class Anthozoa, subclass Hexacorallia.
Passiflora actinia, also known as the sea anemone passion flower is a species of passion flower (passionfruit) of the Passifloraceae. It flowers mainly in early spring, producing white, mauve (purple), and blue flowers about 9 cm wide. [1] Passiflora actinia is an evergreen vine. Native to Brazil, it is a relatively cold tolerant passion flower ...
Aseroe rubra, commonly known as the anemone stinkhorn, sea anemone fungus and starfish fungus, is a common and widespread basidiomycete fungus recognizable for its foul odour of carrion and its sea anemone shape when mature.
The aggregating anemone (Anthopleura elegantissima), or clonal anemone, is the most abundant species of sea anemone found on rocky, tide swept shores along the Pacific coast of North America. [1] This cnidarian hosts endosymbiotic algae called zooxanthellae that contribute substantially to primary productivity in the intertidal zone . [ 2 ]
The sea anemones are attached to the ocean floor or submarine canyons by their flexible stems. The anemones vary in size and can reach up to a foot across. How the Tentacles Capture Prey.
The living anemone is brandished like a weapon to keep predators away and is also used in ritualistic territorial protection. The sea anemones used are small and seldom exceed a column height of 8 mm (0.3 in). If it loses one of its anemones, the crab can tear the other one in half, after which each part grows into a new individual.
Located along the eastern coast of the U.S., with a few introduced populations scattered along the western U.S. coast and the southeast coast of Britain, this sea anemone is a member of the sea ...
Metridium farcimen is a large sea anemone, occasionally reaching a height of one metre (39 in) when fully extended. [2] More usually it is 50 cm (20 in) or less in height but is very variable in shape. It can retract its tentacles and form a ball up to 25 cm (10 in) in diameter. The column is slender, smooth and studded with acontia.